this is russia, where temperatures have fallen 15 degrees below average. in siberia, temperatures as much as -50 degrees celsius. over 80 people have died there. moscow expects temperatures to reach zero degrees celsius this coming thursday. you are watching "bbc world news." still to come, cutting christmas down to size. we will find out how it is changing china. is the season to engage in psychological warfare. and least, that is the accusation being made by north korea against its neighbors to the south, and it has to do with a christmas tree just west of seoul, korea, and the problem is that can be seen miles away in north korea. the north has threatened to the south with retaliation but has not said how exactly. children in one town have been given their christmas presents by elephant at their school. they enjoy the festivities. it is a regular feature of the town, but it was canceled because of flooding. now, when would you need an ax to go swimming? well, here is one example. this is north of the capital of berlin. they were breaking up the ice and